Metamath Proof Explorer


Theorem sltaddpos2d

Description: Addition of a positive number increases the sum. (Contributed by Scott Fenton, 15-Apr-2025)

Ref Expression
Hypotheses sltaddpos.1 φ A No
sltaddpos.2 φ B No
Assertion sltaddpos2d Could not format assertion : No typesetting found for |- ( ph -> ( 0s B

Proof

Step Hyp Ref Expression
1 sltaddpos.1 φ A No
2 sltaddpos.2 φ B No
3 0sno Could not format 0s e. No : No typesetting found for |- 0s e. No with typecode |-
4 3 a1i Could not format ( ph -> 0s e. No ) : No typesetting found for |- ( ph -> 0s e. No ) with typecode |-
5 4 1 2 sltadd1d Could not format ( ph -> ( 0s ( 0s +s B ) ( 0s ( 0s +s B )
6 addslid Could not format ( B e. No -> ( 0s +s B ) = B ) : No typesetting found for |- ( B e. No -> ( 0s +s B ) = B ) with typecode |-
7 2 6 syl Could not format ( ph -> ( 0s +s B ) = B ) : No typesetting found for |- ( ph -> ( 0s +s B ) = B ) with typecode |-
8 7 breq1d Could not format ( ph -> ( ( 0s +s B ) B ( ( 0s +s B ) B
9 5 8 bitrd Could not format ( ph -> ( 0s B ( 0s B